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5.8

Unable to compile JSP under embedded Tomcat

Asked by stevebeech in Java Server Pages (JSP)

Tags: tomcat, compile, embedded, jsp

Hi,

I have a struts-based application running within embedded Tomcat - it works fine on my machine. However, when I move it to another machine and try to run it I get an error from ONE of the jsps - others run fine. The error I get is:
-----
org.apache.jasper.JasperException: Unable to compile class for JSP

No Java compiler was found to compile the generated source for the JSP.
This can usually be solved by copying manually $JAVA_HOME/lib/tools.jar from the JDK
to the common/lib directory of the Tomcat server, followed by a Tomcat restart.
If using an alternate Java compiler, please check its installation and access path.

      org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:83)
      org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:315)
      org.apache.jasper.compiler.Compiler.generateClass(Compiler.java:406)
      org.apache.jasper.compiler.Compiler.compile(Compiler.java:463)
      org.apache.jasper.compiler.Compiler.compile(Compiler.java:442)
      org.apache.jasper.compiler.Compiler.compile(Compiler.java:430)
      org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:511)
      org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:274)
      org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
      org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
      javax.servlet.http.HttpServlet.service(HttpServlet.java:810)

note The full stack trace of the root cause is available in the Apache Tomcat/5.0.25 logs.
---------

My JSP file is:

---------
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<%@ taglib uri="/WEB-INF/struts-html.tld" prefix="html" %>
<%@ taglib uri="/WEB-INF/struts-bean.tld" prefix="bean" %>
<%@ taglib uri="/WEB-INF/struts-logic.tld" prefix="logic" %>

<html:html locale="true">
<logic:notPresent name="vstaff" scope="application">
      <logic:redirect href="initialise.do"/>
</logic:notPresent>
<HEAD>
<%@ page
language="java"
import = "uk.co.xks.vtrack.forms.SigninForm, uk.co.xks.vtrack.forms.StaffForm, java.util.Enumeration, java.util.Vector"
contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"
%>
<% Vector vstaff = (Vector) getServletContext().getAttribute("vstaff"); %>

<META http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<META name="GENERATOR" content="IBM WebSphere Studio">
<META http-equiv="Content-Style-Type" content="text/css">
<LINK href="theme/vtrack.css" rel="stylesheet" type="text/css">
<TITLE><bean:message key="index.title"/></TITLE>
</HEAD>

<BODY>
<center>
<h4><bean:message key="index.welcome"/></h4>

<table width="100%" cellpadding="8" border="0" rules="rows" align="center">
<tr height="20"><td colspan="3"></td></tr>
<tr><td width="20%" valign="top"><html:img srcKey="image.company_logo" altKey="image.company_logo.alt"/></td>
<td align="center"><h1><bean:message key="index.signin"/></h1><h5><bean:message key="index.info"/></h5>
<html:errors/>
<html:form action="signin.do" focus="visitorName">
<table>
<tr valign="top"><td width="50%" align="right"><h3><bean:message key="index.name"/></h3></td>
<td width="50%"  align="left"><input type="text" name="visitorName" size="30" tabindex="1"></td></tr>
<tr valign="top"><td width="50%" align="right"><h3><bean:message key="index.company"/></h3></td>
<td width="50%"  align="left"><input type="text" name="companyName" size="30" tabindex="2"></td></tr>
<tr valign="top"><td width="50%" align="right"><h3><bean:message key="index.car_reg"/></h3></td>
<td width="50%"  align="left"><input type="text" name="carRegistration" size="30" tabindex="3"></td></tr>
<tr valign="top"><td width="50%" align="right"><h3><bean:message key="index.visiting"/></h3></td>
<td width="50%" align="left">
<html:select property="visitingName">
<html:options collection="vstaff" labelProperty="staffName" property="staffId"/></html:select></td></tr>
<tr align="center">
<td align="right"><html:submit><bean:message key="button.signin" /></html:submit></td>
<td align="center"><html:reset><bean:message key="button.reset" /></html:reset></td>
</tr>
</table>
</html:form>
</td><td></td></tr></table>

<table><tr height="70"><td></td></tr></table>

<table width="100%" cellpadding="8" border="0" rules="rows" align="center">
<tr align="center">
<td><h1><bean:message key="index.logout1"/> <a href="listvisitors.do"><bean:message key="index.logout2"/></a></h1></td>
</tr>
</table>

<table width="100%" border="0" rules="rows" align="center">
<tr valign="bottom">
<td align="center"><html:img srcKey="image.spare_logo1" altKey="image.spare_logo1.alt"/></td>
<td align="center"><html:img srcKey="image.spare_logo2" altKey="image.spare_logo2.alt"/></td>
<td align="center"><html:img srcKey="image.spare_logo3" altKey="image.spare_logo3.alt"/></td>
<td align="center"><html:img srcKey="image.spare_logo4" altKey="image.spare_logo4.alt"/></td>
</tr>
</table>

</BODY>
</html:html>
--------

As I said, other JSPs in the application work fine, so I ssumed it might be a typo but I've checked and checked and cannot find one (all "" ; etc are okay as far as I can tell). I've included the tools.jar in my classpath (set in a bat file when the app runs).

Does anyone have any ideas?
 
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About this solution

Zone: Java Server Pages (JSP)
Tags: tomcat, compile, embedded, jsp
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Solution Provided By: RomMod
Participating Experts: 2
Solution Grade: B
 
 
 
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